Home / 2,640,965.65-3,960,716.77-934,884.21

Finding the Fourth Proportional to 2,640,965.65, 3,960,716.77 and 934,884.21

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Solution

The fourth proportional to 2,640,965.65, 3,960,716.77 and 934,884.21 is: 1,402,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,965.65 : 3,960,716.77 = 934,884.21 : x
  2. Step 2: Convert to fraction form
    2,640,965.65/3,960,716.77 = 934,884.21/x
  3. Step 3: Cross multiply
    2,640,965.65x = 3,960,716.77 × 934,884.21
  4. Step 4: Simplify right side
    2,640,965.65x = 3,702,811,584,576.50
  5. Step 5: Solve for x
    x = 3,702,811,584,576.50/2,640,965.65
  6. Step 6: Final answer
    x = 1,402,067.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.